/*
 * Copyright (c) 2011-2018, Meituan Dianping. All Rights Reserved.
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.dianping.cat.config;

import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;

/**
	* Composite format of many message format
	*
	* @author renyuan.sun
	*/
public class CompositeFormat extends Format {

	private AggregationMessageFormat m_aggregationMessageFormat;

	public CompositeFormat(AggregationMessageFormat amf) {
		m_aggregationMessageFormat = amf;
	}

	public AggregationMessageFormat getAmf() {
		return m_aggregationMessageFormat;
	}

	public void setAmf(AggregationMessageFormat amf) {
		m_aggregationMessageFormat = amf;
	}

	@Override
	public String parse(String input) throws ParseException {
		Object[] tokens = m_aggregationMessageFormat.getMessageFormat().parse(input);
		List<String> items = new ArrayList<String>();
		int index = 0;

		for (String pattern : m_aggregationMessageFormat.getFormatTokens()) {
			Format format = new DefaultFormat();
			format.setPattern(pattern);
			String output = format.parse(tokens[index].toString());

			items.add(output);
			index++;
		}
		return m_aggregationMessageFormat.getMessageFormat().format(items.toArray()).toString();
	}
}
